Green tea extract and caffeine are often combined in supplements to enhance energy, focus, and fat metabolism. When taken together, they may offer synergistic benefits but raise the risk of side ...

In this method, caffeine is extracted from tea. The type of tea that is used isn't very important (as long as it is ...

Green tea contains caffeine and tannins, an antioxidant that can mess with iron absorption. So drinking it at certain times ...

If you're trying to drink less coffee, try switching out that cup of joe for a mug of green tea. Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress ...